Home / 12,402,830.40-18,560,008.80-8,598,465.60

Finding the Fourth Proportional to 12,402,830.40, 18,560,008.80 and 8,598,465.60

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Solution

The fourth proportional to 12,402,830.40, 18,560,008.80 and 8,598,465.60 is: 12,867,030.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402,830.40 : 18,560,008.80 = 8,598,465.60 : x
  2. Step 2: Convert to fraction form
    12,402,830.40/18,560,008.80 = 8,598,465.60/x
  3. Step 3: Cross multiply
    12,402,830.40x = 18,560,008.80 × 8,598,465.60
  4. Step 4: Simplify right side
    12,402,830.40x = 159,587,597,202,497.28
  5. Step 5: Solve for x
    x = 159,587,597,202,497.28/12,402,830.40
  6. Step 6: Final answer
    x = 12,867,030.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.